IDENTIFIERS

  • Current Taxon Name (Soil Name): Harpster
  • OSD
  • Series Extent
  • User Site ID: 1977IL073004
  • User Pedon ID: 1977IL073004
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - IL SCL
  • Lab Pedon # - 77IL073004
  • NCSS Pedon Lab Data NASIS Record ID - 20871
  • User Project ID: 201511AUR014
  • Project Name: SDJR - MLRA 108A - Harpster silty clay loam, 0 to 2 percent slopes
  • Print Date: 11/26/2024

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 41.4963857
  • Std. Longitude: -89.8610301
  • Datum: WGS84
  • Township: 17N
  • Range: 5E
  • Section: 1
  • PLSS Details: 952 feet west and 28 feet south of the northeast corner
  • Map Unit: 67A—Harpster silty clay loam, 0 to 2 percent slopes
  • State: Illinois
  • County: IL073—Henry
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Non-MLRA Soil Survey Area: IL073—Henry County, Illinois
  • 7.5 Minute USGS Quad: 41089-D7—Mineral, Illinois

    • PEDON

  • Describers Name: R.J. Herman
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Calciaquolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: PedonPC
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Harpster
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/27/2015
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Harpster
  • Taxonomic Class - Fine-silty, mixed, mesic Typic Calciaquolls
  • Taxon Kind - series
  • Classificaton Date - 8/1/1976
  • Classifier - RJH
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: calcareous loess over stratified outwash
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1976 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    calcic horizon

    cambic horizon

    lithologic discontinuity

    0—41

    18—41

    41—81

    81—152

    —41—

    —23—

    —40—

    —71—
    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    —

    —

    —

    187

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); black (10YR 2/1) silt loam; moderate fine granular structure; friable; 10 percent shell fragments throughout and 14 percent fine carbonate concretions throughout; fragments; strong effervescence; moderately alkaline, pH 8.2. Lab sample # IL24716
    Ak—18 to 28 centimeters (7.1 to 11.0 inches); very dark gray (10YR 3/1) silty clay loam; moderate fine granular structure; friable; 10 percent fine prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; 10 percent shell fragments throughout and 30 percent fine carbonate concretions throughout; fragments; strong effervescence; moderately alkaline, pH 8.2. Lab sample # IL24717
    ABk—28 to 41 centimeters (11.0 to 16.1 inches); very dark gray (10YR 3/1) silty clay loam; moderate fine granular structure; friable; 10 percent fine prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; 25 percent shell fragments throughout and 23 percent fine carbonate concretions throughout; fragments; strong effervescence; moderately alkaline, pH 8.2. Lab sample # IL24718
    Bg1—41 to 58 centimeters (16.1 to 22.8 inches); dark gray (10YR 4/1) silty clay loam; moderate fine subangular blocky structure; friable; 15 percent distinct very dark gray (10YR 3/1), moist, organic stains on all faces of peds; 25 percent fine prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; 10 percent fine carbonate concretions throughout; fragments; slight effervescence; slightly alkaline, pH 7.8. Lab sample # IL24719
    Bg2—58 to 81 centimeters (22.8 to 31.9 inches); light brownish gray (2.5Y 6/2) silt loam; moderate medium subangular blocky structure; friable; 10 percent fine prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; 14 percent fine carbonate concretions throughout; fragments; slight effervescence; slightly alkaline, pH 7.6. Lab sample # IL24720
    2C1—81 to 114 centimeters (31.9 to 44.9 inches); gray (5Y 5/1) stratified stratified loamy sand to sandy loam to silt loam; structureless massive; friable; 10 percent fine prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; 17 percent fine carbonate concretions throughout; fragments; strong effervescence; moderately alkaline, pH 8.4. Lab sample # IL24721
    2C2—114 to 152 centimeters (44.9 to 59.8 inches); 45 percent light brownish gray (10YR 6/2) and 30 percent light gray (10YR 7/2) and 25 percent yellowish brown (10YR 5/6) fine sand; single grain; loose; 15 percent fine carbonate concretions throughout; fragments; strong effervescence; moderately alkaline, pH 8.4. Lab sample # IL24722